Home / 115,972.36-160,041.88-70,650.34

Finding the Fourth Proportional to 115,972.36, 160,041.88 and 70,650.34

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Solution

The fourth proportional to 115,972.36, 160,041.88 and 70,650.34 is: 97,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,972.36 : 160,041.88 = 70,650.34 : x
  2. Step 2: Convert to fraction form
    115,972.36/160,041.88 = 70,650.34/x
  3. Step 3: Cross multiply
    115,972.36x = 160,041.88 × 70,650.34
  4. Step 4: Simplify right side
    115,972.36x = 11,307,013,236.24
  5. Step 5: Solve for x
    x = 11,307,013,236.24/115,972.36
  6. Step 6: Final answer
    x = 97,497.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.